PHOTRONICS INC (PLAB) Stock Institutional Trading Activity


PHOTRONICS INC (PLAB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Donald Smith & Co., and Third Avenue Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2020Donald Smith & Co.Buy2,1871,572,685$17,504
Q2 2020Renaissance Technologies LLCSell-582,2001,382,294$15,385
Q1 2020Donald Smith & Co.Sell-83,5791,570,498$16,113
Q1 2020Renaissance Technologies LLCSell-85,5001,964,494$20,156
Q4 2019Donald Smith & Co.Sell-529,2071,654,077$26,068
Q4 2019Renaissance Technologies LLCSell-420,0032,049,994$32,308
Q3 2019Donald Smith & Co.Buy70,1872,183,284$23,754
Q3 2019Renaissance Technologies LLCSell-216,9982,469,997$26,874
Q2 2019Donald Smith & Co.Sell-238,7252,113,097$17,327
Q2 2019Renaissance Technologies LLCBuy75,4002,686,995$22,033
Q1 2019Donald Smith & Co.Sell-1,259,2862,351,822$22,225
Q1 2019Renaissance Technologies LLCBuy704,7952,611,595$24,680
Q4 2018Donald Smith & Co.Sell-662,1083,611,108$34,956
Q4 2018Renaissance Technologies LLCSell-19,1001,906,800$18,458
Q3 2018Donald Smith & Co.Buy64,6254,273,216$42,091
Q3 2018Renaissance Technologies LLCSell-77,3001,925,900$18,970
Q2 2018Donald Smith & Co.Sell-283,4074,208,591$33,564
Q1 2018Donald Smith & Co.Buy22,7674,491,998$37,059
Q1 2018Renaissance Technologies LLCSell-16,0002,003,200$16,526
Q4 2017Donald Smith & Co.Sell-283,3524,469,231$38,100
Q4 2017Renaissance Technologies LLCSell-61,7002,019,200$17,214
Q3 2017Donald Smith & Co.Sell-515,2914,752,583$42,060
Q3 2017Renaissance Technologies LLCBuy57,9002,080,900$18,416
Q2 2017Donald Smith & Co.Buy835,2545,267,874$49,518
Q2 2017Third Avenue ManagementBuy127,300467,900$4,399
Q2 2017Renaissance Technologies LLCBuy23,2002,023,000$19,016
Q1 2017Donald Smith & Co.Buy354,0314,432,620$47,429
Q1 2017Third Avenue ManagementBuy340,600340,600$3,644
Q1 2017Renaissance Technologies LLCSell-38,8001,999,800$21,398
Q4 2016Donald Smith & Co.Buy113,4184,078,589$46,088

Frequently asked questions about PLAB activity

  • Which institutional owners are buying PLAB?

    Institutional owners buying PLAB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PLAB activity?

    "Buy" means an investor increased their reported position in PLAB compared to the prior reporting period. This reflects growing exposure to PHOTRONICS INC (PLAB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PLAB increasing?

    Institutional interest in PLAB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.